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SECTION
6
REMOVAL AND REPLACEMENT
6.1
SCOPE OF THIS SECTION
This section contains removal and replacement procedures which should
be performed by trained service personnel.
Some procedures require special
tools and adjustments.
Replacement of the covers and line fuse
F1 is
contained
in
Section
4.
WARNING
Place power switch
in
the
OFF position
and remove
plug from
the wall
outlet
before performing any procedures
in
this section.
6.2
MECHANISM ASSEMBLY
(See
Figure
6-1)
When replacing the mechanism assembly,
be
certain
to
observe
the
caution before step
e.
a.
See power removal
WARNING (paragraph
6.1).
Remove the top cover
and body cover as
detailed
in
paragraph
4.4.1.
b.
Carefully unplug
the ribbon connector from J001 at the
middle of
the
printed circuit board and unplug the line feed solenoid
connector from J003.
c.
Release the mechanism assembly from the printer base by pulling
out slightly on the retaining tabs at both sides.
Lift
the
mechanism assembly up
and out.
d.
Carefully unplug the ribbon cable from the connector on
the
carriage and save the cable
for the
replacement mechanism.
CAUTION
Before installing replacement mechanism
assembly, check/adjust the following
clearances:
print head to platen, Hall
effect sensor to magnetic rotor, and
line feed solenoid clearances as detailed
in
Section
5.
IMPORTANT
-
Move
the
carriage
to the
right side before in-
stalling the replacement mechanism
assembly; otherwise, the RTP actuator
arm may erroneously be positioned to
the left side of the
RTP assembly, which
would result
in
damage
to the
carriage
rack.
6-1
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